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Rainbow Rivers: See Gorgeous Maps of the World's Waterways

Rivers of the Pacific Northwest

Washington State's river basins are dominated by the sinuous Columbia River, shown in this map with its tributaries in blue.

(Image credit: Robert Szucs, Cartographer)

Washington State's river basins are dominated by the sinuous Columbia River, shown in this map with its tributaries in blue. Around the Puget Sound, a number of smaller rivers and tributaries drain into the Pacific.